Simple syntheses of thieno[4,3,2-d,e]isoquinoline-3,5-diones and their homologues

Ferenc Fülöp, Bert Naumann, Gábor Günther, Gábor Bernáth, Reijo Sillanpää

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Abstract

Simple, convenient syntheses of thieno[4,3,2-d,e]isosquinoline-3,5- diones (7a-d) and their homologues (8a-c) were achieved starting from ethyl 2-amino-3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophene-4-carboxylate (2) and its homologue derivatives (5) by sulfuric acid treatment.

Original languageEnglish
Pages (from-to)1097-1104
Number of pages8
JournalHeterocycles
Volume50
Issue number2
Publication statusPublished - Apr 1 1999

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ASJC Scopus subject areas

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry

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